1. Product Core Information and Technical Specifications
The Caterpillar 1P-9946 fan drive shaft is a high-precision drive assembly designed specifically for Cat equipment cooling systems. Crafted from high-strength alloy steel and precision-engineered to ensure reliable power transmission under extreme operating conditions, it drives the cooling fan efficiently and maintains optimal engine operating temperature.
Product Technical Specifications:
Material: High-strength alloy steel with excellent wear resistance
Balancing: G6.3-grade high-precision dynamic balancing
Operating temperature range: -40°C to +150°C
Surface treatment: Specially treated for rust and corrosion protection
2. Product Features and Key Benefits
The Caterpillar 1P-9946 fan drive shaft efficiently transmits engine power to the cooling fan, ensuring proper operation of the cooling system and preventing engine overheating and damage. It maintains stable performance in harsh environments with high temperature, high humidity, and high dust levels.
Its core advantages include:
Excellent transmission efficiency: Precision machining minimizes power transmission losses and improves cooling system efficiency.
Excellent durability: High-quality materials and a special heat treatment process ensure an extremely long product life.
Precise dynamic balancing: High-precision dynamic balancing reduces operating vibration and noise.
Ready-to-install: A perfect match for original equipment, no modifications required.
3. Applications and Scope of Application
The 1P-9946 fan drive shaft is suitable for a variety of Caterpillar equipment, including but not limited to:
Excavators: CAT 320D, 323D, 324D series
Bulldozers: CAT D6T, D7E, D8T series
Loaders: CAT 950H, 962H, 966H series
Mining trucks: CAT 777D, 777F and other large mining equipment
4. Installation and Maintenance Recommendations
Proper installation and maintenance are critical to ensuring maximum fan drive shaft performance:
Pre-installation Inspection: Before installation, carefully inspect the new drive shaft for damage and verify that the splines are free of wear or damage.
Installation Specifications:
Ensure the installation area is clean and free of foreign matter.
Tighten the mounting bolts to the manufacturer's specified torque.
Check alignment to ensure the drive shaft is properly aligned with the connecting components.
Maintenance Tips:
Regularly inspect the drive shaft for abnormal vibration or noise.
Inspect the drive shaft splines for wear during each equipment maintenance.
Keep the drive shaft surface clean and remove dust and dirt.
Usage Precautions:
Avoid forcing the drive shaft to install if it is bent or deformed.
Strictly prohibit welding or heating the drive shaft for correction.
Immediately shut down the machine for inspection if any abnormal vibration is detected.
5. Company Advantages and Service Guarantee
We are committed to providing our customers with 100% genuine Cat® parts, ensuring that every fan drive shaft you receive meets Caterpillar's stringent standards.
Our Advantages:
Quality Guarantee: All parts are 100% genuine.
Professional Technical Support: Free installation guidance and technical consulting services are provided.
Fast Delivery: Extensive inventory ensures fast shipment and minimizes equipment downtime.
Cost-Effectiveness: Competitive pricing helps you significantly reduce long-term maintenance costs.
6. Purchasing and Contact Information
To ensure the most reliable protection for your equipment, choose a genuine Caterpillar 1P-9946 fan drive shaft.
Contact us for more information and a quote:
WeChat/WhatsApp: +8615888032469
Phone: +8615888032469
Email: allen@perkins-rx.com
Website: http://www.cnqn.net/
Recommended Supplier:
We recommend purchasing this product from Ningbo Qiuning Trading Co., Ltd., which offers a large inventory of 100% genuine Caterpillar parts, ensuring product quality and compatibility.
7. FAQ
Q: How can I identify a genuine Caterpillar fan drive shaft?
A: Genuine drive shafts have clear part numbers, manufacturer markings, and consistent material quality. Purchasing through a reliable source is the best way to ensure authenticity.
Q: Can this fan drive shaft be used in non-Cat equipment?
A: Not recommended. The 1P-9946 is designed specifically for Cat equipment. Using it with other brands may result in poor compatibility and performance issues.
Q: What is the expected service life of a fan drive shaft?
A: Service life varies depending on operating conditions and maintenance. Under normal operating conditions and regular maintenance, it can typically reach over 10,000 operating hours.
Choose a genuine Caterpillar 1P-9946 fan drive shaft to achieve optimal performance and long-lasting reliability for your equipment's cooling system. Contact us today for professional service and technical support!

Caterpillar Belt 7C-8236
2W-2531 7C-2163 7C-8236 1P-9744 4N-7335 9N-1329 1N-3743 2P-6820 2P-6819 4N-9891 9Y-1131 2P-6818 1W-2934
1P-3085 4P-0454 1P-4334 3P-0130 2P-6212 9Y-6117
Caterpillar Belt 4N-6130
2P-4191 068-0610 9L-6125 9L-6125 8N-0503 2P-4685
2S-2743 4N-7610 2P-4230 1P-6868 1P-4313 2P-6161
Caterpillar Engine Belt 9L-4479
2P-8720 2P-8720 7W-5207 1N-3795 1W-9693 8M-0760
117-0030 9N-1321 7C-9001 9N-1320 9N-1320 6N-7721 9Y-0290 6N-3636
Caterpillar Belt 1W-8043
9Y-8864 9Y-0291 6N-3637 5R-7276
1N-8405 7L-4528 2N-0159 7N-3157 7L-5091 7N-3158 1N-9310 4H-0552 2L-1478 004-0909 061-8384 036-6775 7E-0744
030-3289 037-2448 036-2176 030-3291 5L-3979 1N-4635
Caterpillar Belt 8N-3504
9L-4896 001-5645 9L-1126 4M-6291 061-7139 1W-5555
5L-3834 4L-6060 9M-1091 8L-8646 6L-3408 9L-2248 6N-3113 3K-3408 8S-3199 7M-6104 7S-9807 2P-6142 7M-6105 1P-2423
7M-6100 4S-7754 7S-9811 7S-9860 8M-1714 3N-8258 1S-1126 5S-9078 5S-9079 7S-1690 7S-9810 5M-5343 7M-5535 4N-4105
9M-6933 2P-6140 2P-2357 6N-2348 7S-8350 8S-6178 5R-2455
Caterpillar Belt 4N-4773
5S-0291 2S-8268 4N-1745 3S-9646 7N-7502 4M-9678
3R-2689 7M-3921 3P-0025 4M-6292 1P-2421 5M-2733 7S-9859 8M-1715 8M-1715 2P-2356 9M-5146 9M-3633 4M-9072 7M-7373
2S-5279 5S-1762 5F-7676 5H-2896 5H-9857 4N-6529
Caterpillar Belt 7M-4715
2P-2369 8N-4128 2P-2696 7M-4716 2P-1388 7M-0981 4N-3587
7M-7476 7L-7099 7M-7864 5L-5015 9M-7221 2S-6913 3P-0071 7M-4706 7M-4707 5L-5656 7M-4719 7M-4705 7M-4702 3P-0098
7M-0185 8S-1475 7M-4947 7M-4717 7M-4703 7M-4704 7M-4718
Caterpillar Belt 5L-5014
2S-6168 5L-9902 8M-9708 4M-8218 3S-2347 5M-5347
6B-8536 2P-1272 2M-8183 2P-8624 7C-3559 2W-8951 7M-4701 2W-6766 2W-8952 7N-3965 1S-1207
Caterpillar Belt 6N-7575
4W-7508 7W-6471 7W-1665 4W-5091 9Y-8467 2S-5279 5L-6672 6L-6552 6B-1039 7B-4032 4F-7956 5H-4239 100-3725 7E-4841 7B-2774 8H-7180
9Y-1954 7E-3898 1W-8908 4W-5825 6L-6213 4N-8216, 9L6643, 9L-6651, 6N6652, 9N1324
Caterpillar Belt 8N6700
8N6720 1N4090 7M4721 4W0752
4N6372 3S9653 4N8216 4N8220 9L6639 4N6373 5H7371 4N8221 4W0752 2S5218 8N6700 8N6717
7E4841 5L7425 4L6060 6N6652 6N6655 2S2743 9L6647 9L6643 9L6648 6N6798